1. Choose and write the correct alternative (i) number of individuals in a sexual reproduction- a) 4 b) 3 c) 2 d) 1
(ii) The development of an egg without fertilization is called- a) apomixes b) Agamospermy c) parthenogenesis d) Parthenocarpy
(iii) The organism similar in morphology and genetics are – a) clone b) Gametes c) zygote d) progeny
(iv) When male and female reproductive organ are found in one organism the are known as a) Unisexual b) bisexual c) Homosexual a) Polysexual
(v) Meiosis division is also known as- a) Amitutic b) Reduction division c) Mitutic division d) Nuclear division
(vi) Humulin is a) enzymes b) Carbohydrate c) fat d) hormones
(vii) is human a) oviparous b) Viviparous c) ovulation d) Oviviparous
2. Fill in the blanks and write. (i) DNA fingerprint technique was developed by ……………… (ii) A typical angiosperm embryo corpuscle has…………………. nuclei. (iii) Symptomatic relationship between fungus and algae is known as………………… (iv) Against diseases in a vaccine…………………………….is present. (v) The best bio technique to prevent disease is…………………….. (vi) Typhoid disease is identified by………………………….. test (vii) The segments of DNA are joined by ……………………enzyme.
3. Write the answer in one sentence each (i) Fish culture is known as (ii) Which chromosome is responsible for sex determination in human beings. (iii) Full form of BOD is (iv) write one name of cyanobacteria that used as a biofertilizer (v) Weed control method by micro-organisms is called. (vi) Human insulin is made up of how many polypeptide chains (vi) Study of human population is known as
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